package com.example.controller;



import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author isaac
 * @since 1.0.0
 */

@Controller
public class PageException implements ErrorController {


    @Override
    public String getErrorPath() {
        return "/error";
    }

    @RequestMapping("/error")
    public String handleError(HttpServletRequest request, HttpServletResponse response){
        //获取statusCode:401,404,500
        Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code");
        if(statusCode == 401){
            return "/401";
        }else if(statusCode == 404){
            try {
                response.sendRedirect(request.getContextPath() + "/login/toLogin");
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }else if(statusCode == 403){
            return "/403";
        }else{
            return "/500";
        }

    }
}

